1103101321 has 32 divisors (see below), whose sum is σ = 1412218368. Its totient is φ = 839393280.

The previous prime is 1103101309. The next prime is 1103101339. The reversal of 1103101321 is 1231013011.

It is not a de Polignac number, because 1103101321 - 2⁵ = 1103101289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103101361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197041 + ... + 202561.

It is an arithmetic number, because the mean of its divisors is an integer number (44131824).

Almost surely, 2^1103101321 is an apocalyptic number.

It is an amenable number.

1103101321 is a deficient number, since it is larger than the sum of its proper divisors (309117047).

1103101321 is a wasteful number, since it uses less digits than its factorization.

1103101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1103101321 is about 33212.9691686847. The cubic root of 1103101321 is about 1033.2493360674.

Adding to 1103101321 its reverse (1231013011), we get a palindrome (2334114332).

The spelling of 1103101321 in words is "one billion, one hundred three million, one hundred one thousand, three hundred twenty-one".